TOUCH SENSOR MODULE - HAITRONIC
TOUCH SHIELD - SPARKFUN
ULTRA-SONIC DISTANCE MEASURING MODULE AJ-SR04M - HAITRONIC
ULTRASONIC DISTANCE SENSOR MODULE - HAITRONIC
ULTRASONIC SENSOR MODULE MOUNTING BRACKET (L)
VIBRATION SENSOR MODULE - HAITRONIC
VOLTAGE SENSOR MODULE (VOLTAGE DIVIDER)
WATER LEVEL SENSOR MODULE - HAITRONIC